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The TTR250 FAQ web pages -> TTR250 -> Modifications -> rear tyre size
Post Info TOPIC: rear tyre size
petenz


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rear tyre size
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So What do yer think the chances are of getting a 140 tyre

in the swing arm of the TTR ? 

One of these ===> http://goldentyre.co.nz/cart/index.php?route=product/product&product_id=66

 

 

...



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BM Steve


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I run D606, 120/90/18 and it has only 2cm of space either side

Dunlop recommend 2.50 rims size, I think you may be pushing it, be interested to see though

 



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2004 TTR250 - Highway Dirtbike Hand Guards, 38mm Bar Risers, D606 Front & Rear, Opened up Airbox with Twin Air Filter, Re-jetted Carby, B+B Bash Plate & Frame Guards, DIY 3mm Alloy Tail Tidy, 14/47 Gearing.

 
TTRfan


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See http://ttr250.activeboard.com/t62162535/3-wide-rear-rim-on-a-ttr250/ and http://ttr250.activeboard.com/t45336900/which-tyre-size/

However, I think the tyre size that Robin used equates to 130 and not 140.



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petenz


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yes the 510 is a 130... but looks to have a bit of room still....

but depends how far the sid knobs stick out on the 140..



..



-- Edited by petenz on Saturday 27th of August 2016 09:23:46 AM

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TTRHead


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I am running a brand new AC10. 120/90/18. It fits fine. It doesnt rub the mudflap. Thats with a 106link chain and 44/14 sprockets.....

What I want to know though is....If a change to 52/14 and increase the chain length will the 120/90/18 still fit?

I mean it fits with a shorter chain and 44/14 gearing. I guess it should do right as I am not doing anything different?

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mossproof


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I'm running a 130/80 x 18 Mitas 644 Army special. It worked with 14/52 gearing, but I couldn't get away with a 140, especially with a taller aspect ratio (90 or 100) as it almost touches the chain guard as it is. A 120 width should be fine.

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